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/*!
 * @file ac780x_wdg_reg.h
 *
 * @brief WDG access register inline function definition.
 *
 */

#ifndef _AC780X_WDG_REG_H
#define _AC780X_WDG_REG_H

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

/* ===========================================  Includes  =========================================== */
#include "ac780x_wdg.h"

/* ============================================  Define  ============================================ */
#define WDG_UNLOCK_FIRST_VALUE  (0xE064D987UL)  /* The first 32-bit value used for unlocking the wdg */
#define WDG_UNLOCK_SECOND_VALUE (0x868A8478UL)  /* The second 32-bit value used for unlocking the wdg */
#define WDG_FEED_FIRST_VALUE    (0x7908AD15UL)  /* The first 32-bit value used for feed the wdg */
#define WDG_FEED_SECOND_VALUE   (0x5AD5A879UL)  /* The second 32-bit value used for feed the wdg */

/* ===========================================  Typedef  ============================================ */

/* ==========================================  Variables  =========================================== */

/* ====================================  Functions declaration  ===================================== */

/* ======================================  Functions define  ======================================== */
/*!
 * @brief set WDG clock source.
 *
 * @param[in] clkSource
 *            - 0: WDG_CLOCK_LSI
 *            - 1: WDG_CLOCK_APB
 *            - 2: WDG_CLOCK_HSI
 *            - 3: WDG_CLOCK_HSE
 * @return none
 */
__STATIC_INLINE void WDG_SetClkSource(WDG_ClockSourceType clkSource)
{
    uint32_t tmp = WDG->CS1 & (~(WDG_CS1_FLG_Msk | WDG_CS1_CLK_Msk));

    tmp |= (((uint32_t)clkSource) << WDG_CS1_CLK_Pos) & WDG_CS1_CLK_Msk;
    WDG->CS1 = tmp;
}

/*!
 * @brief set WDG counter timeout value.
 *
 * @param[in] tovalValue: 32bit WDG timeout value
 * @return none
 */
__STATIC_INLINE void WDG_SetTimeOutVal(uint32_t tovalValue)
{
    WDG->TOVAL = tovalValue;
}

/*!
 * @brief get WDG counter timeout value.
 *
 * @param[in] none
 * @return 32bit WDG timeout value
 */
__STATIC_INLINE uint32_t WDG_GetTimeOutVal(void)
{
    return (WDG->TOVAL);
}

/*!
 * @brief set WDG counter window value.
 *
 * @param[in] winValue: 32 bit WDG window value
 * @return none
 */
__STATIC_INLINE void WDG_SetWindowVal(uint32_t winValue)
{
    WDG->WIN = winValue;
}

/*!
 * @brief get WDG counter window value.
 *
 * @param[in] none
 * @return 32bit WDG window value
 */
__STATIC_INLINE uint32_t WDG_GetWindowVal(void)
{
    return (WDG->WIN);
}

/*!
 * @brief set WDG CS0 reg.
 *
 * @param[in] value: WDG CS0 register value
 * @return none
 */
__STATIC_INLINE void WDG_SetCS0(uint32_t value)
{
    WDG->CS0 = value;
}

/*!
 * @brief set WDG CS1 reg.
 *
 * @param[in] value: WDG CS1 register value
 * @return none
 */
__STATIC_INLINE void WDG_SetCS1(uint32_t value)
{
    WDG->CS1 = value;
}

/*!
 * @brief enable WDG counting.
 *
 * @param[in] none
 * @return none
 */
__STATIC_INLINE void WDG_Enable(void)
{
    WDG->CS0 |= WDG_CS0_EN_Msk;
}

/*!
 * @brief disable WDG counting.
 *
 * @param[in] none
 * @return none
 */
__STATIC_INLINE void WDG_Disable(void)
{
    WDG->CS0 &= ~WDG_CS0_EN_Msk;
}

/*!
 * @brief enable WDG update, allow changing WDG register.
 *
 * @param[in] none
 * @return none
 */
__STATIC_INLINE void WDG_EnableUpdate(void)
{
    WDG->CS0 |= WDG_CS0_UPDATE_Msk;
}

/*!
 * @brief disable WDG update, not allow changing WDG register.
 *
 * @param[in] none
 * @return none
 */
__STATIC_INLINE void WDG_DisableUpdate(void)
{
    WDG->CS0 &= ~WDG_CS0_UPDATE_Msk;
}

/*!
 * @brief enable WDG timeout interrupt.
 *
 * @param[in] none
 * @return none
 */
__STATIC_INLINE void WDG_EnableInterrupt(void)
{
    WDG->CS0 |= WDG_CS0_INT_Msk;
}

/*!
 * @brief disable WDG timeout interrupt.
 *
 * @param[in] none
 * @return none
 */
__STATIC_INLINE void WDG_DisableInterrupt(void)
{
    WDG->CS0 &= ~WDG_CS0_INT_Msk;
}

/*!
 * @brief enable WDG window mode.
 *
 * @param[in] none
 * @return none
 */
__STATIC_INLINE void WDG_EnableWindow(void)
{
    uint32_t tmp = WDG->CS1 & (~WDG_CS1_FLG_Msk);

    tmp |= WDG_CS1_WIN_Msk;
    WDG->CS1 = tmp;
}

/*!
 * @brief disable WDG window mode.
 *
 * @param[in] none
 * @return none
 */
__STATIC_INLINE void WDG_DisableWindow(void)
{
    uint32_t tmp = WDG->CS1 & (~WDG_CS1_FLG_Msk);

    tmp &= ~WDG_CS1_WIN_Msk;
    WDG->CS1 = tmp;
}

/*!
 * @brief enable WDG fixed 256 prescaler.
 *
 * @param[in] none
 * @return none
 */
__STATIC_INLINE void WDG_EnablePrescaler(void)
{
    uint32_t tmp = WDG->CS1 & (~WDG_CS1_FLG_Msk);

    tmp |= WDG_CS1_PRES_Msk;
    WDG->CS1 = tmp;
}

/*!
 * @brief disable WDG fixed 256 prescaler.
 *
 * @param[in] none
 * @return none
 */
__STATIC_INLINE void WDG_DisablePrescaler(void)
{
    uint32_t tmp = WDG->CS1 & (~WDG_CS1_FLG_Msk);

    tmp &= ~WDG_CS1_PRES_Msk;
    WDG->CS1 = tmp;
}

/*!
 * @brief get WDG timeout interrupt flag.
 *
 * @param[in] none
 * @return WDG interrupt flag
 */
__STATIC_INLINE uint32_t WDG_GetInterruptFlag(void)
{
    return (WDG->CS1 & WDG_CS1_FLG_Msk);
}

/*!
 * @brief clear WDG timeout interrupt flag.
 *
 * @param[in] none
 * @return none
 */
__STATIC_INLINE void WDG_ClearInterruptFlag(void)
{
    WDG->CS1 |= WDG_CS1_FLG_Msk;
}

/*!
 * @brief get WDG timeout counter counting value.
 *
 * @param[in] none
 * @return WDG cnt
 */
__STATIC_INLINE uint32_t WDG_GetTimeoutCnt(void)
{
    return (WDG->CNT);
}

/*!
 * @brief unlock WDG, prepare to config WDG register.
 *
 * @param[in] none
 * @return none
 */
__STATIC_INLINE void WDG_Unlock(void)
{
    WDG->CNT = WDG_UNLOCK_FIRST_VALUE;
    WDG->CNT = WDG_UNLOCK_SECOND_VALUE;
}

/*!
 * @brief feed WDG, trig timeout counter to 0.
 *
 * @param[in] none
 * @return none
 */
__STATIC_INLINE void WDG_Feed(void)
{
    DisableInterrupts;
    WDG->CNT = WDG_FEED_FIRST_VALUE;
    WDG->CNT = WDG_FEED_SECOND_VALUE;
    EnableInterrupts;
}

#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif /* _AC780X_WDG_REG_H */

/* =============================================  EOF  ============================================== */
